18201885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{347}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 31570560

約数和(自身を除く): 13368675

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 269, 347, 807, 1041, 1345, 1735, 3497, 4035, 4511, 5205, 10491, 13533, 17485, 22555, 52455, 67665, 93343, 280029, 466715, 1213459, 1400145, 3640377, 6067295, 18201885]

約数ペア:

[(1, 18201885), (3, 6067295), (5, 3640377), (13, 1400145), (15, 1213459), (39, 466715), (65, 280029), (195, 93343), (269, 67665), (347, 52455), (807, 22555), (1041, 17485), (1345, 13533), (1735, 10491), (3497, 5205), (4035, 4511)]